<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png" alt />
      </div>
      <!-- 表单区域 -->
      <el-form
        :model="loginForm"
        ref="loginFormRef"
        :rules="loginRules"
        label-width="0px"
        class="login_form"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <!-- 用户密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-lock_fill"
            type="password"
          ></el-input>
        </el-form-item>

        <!-- button  区域 -->
        <el-row class="btns">
          <!-- <div class="btns"> -->
          <el-button type="primary" @click="login">登陆</el-button>
          <el-button type="info" @click="loginReset">重置</el-button>
          <!-- </div> -->
        </el-row>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginRules: {
        // 验证用户名
        username: [
          { required: true, message: '请输入活动名称', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 8 个字符', trigger: 'blur' }
        ],
        // 验证用户密码
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          { min: 6, max: 16, message: '长度在 6 到16 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    loginReset: function() {
      // console.log(this);
      this.$refs.loginFormRef.resetFields()
    },
    login: function() {
      this.$refs.loginFormRef.validate(async valid => {
        // console.log(valid);
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        // console.log(res);
        if (res.meta.status != 200) return this.$message.error('登录失败')
        this.$message.success('登录成功')
        window.sessionStorage.setItem('token', res.data.token)
        // console.log(res);
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
